7. Bypass Relay : The setup is provided in one of the following two
ways.
On-line Mode or Off-line Mode ( Exacting, Normal, Haphazard).
Default= Normal (Off line).
The transfer relay will be “ON” if AC input (Grid)
power is available. The DC-AC inverter will
remain synchronized and Phase with the
incoming AC power (Grid). The relay will NOT
switch off if the grid frequency is beyond the
range set under Sync Frequency window.
The transfer relay will switch “ON” or “OFF”
based on conformance to, the Phase and Sync
Frequency.
Always supplied by battery until which has run
down (UVP) then switch to grid.
Normal
Exacting
On-line
1
2
3
The transfer relay will switch “ON” or “OFF”.
Conformance to, phase and frequency
synchronization will not be considered.
Model
SETT
<value>
Haphazard
0
Setting value range
F
F
Phase
Phase
Frequency
Synchronous
DC-AC Inverter
DC-AC Inverter
AC input (GRID)
AC input (GRID)
Phase
Synchronous
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